value
value: string
StaticBEND
BEND: string = 'BEND'
StaticCROSS
CROSS: string = 'CROSS'
StaticNOTDEFINED
NOTDEFINED: string = 'NOTDEFINED'
StaticREDUCER
REDUCER: string = 'REDUCER'
StaticTEE
TEE: string = 'TEE'
StaticUSERDEFINED
USERDEFINED: string = 'USERDEFINED'